Semi-Formal or After Five means that tuxes are not required, nor are long dresses. An evening wedding (after 6 PM) would still dictate dark suits for him, and a cocktail dress for her. Daytime semi-formal events mean a suit for him and an appropriate short dress or dressy suit for her. & q D; l* R6 D* L晚上的Semi-Formal * [( y9 W$ t7 \女士:小礼服, 长礼服不必 ) k% ^4 s/ T5 a5 e: E5 M9 J5 w男士:深色西装, 领结,燕尾服不必。